Basal Ganglia Lecture 8, 9

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Questions and Answers

What is the location of the globus pallidus in relation to the putamen and internal capsule?

  • Lateral to the internal capsule and medial to the caudate nucleus
  • Medial to the internal capsule and lateral to the putamen
  • Between the putamen and the internal capsule (correct)
  • Between the caudate nucleus and the internal capsule

What is the functional association between the striatum and the pallidum?

  • The striatum and pallidum are functionally identical
  • The striatum and pallidum are functionally distinct but structurally similar
  • The striatum is structurally similar to the pallidum
  • The striatum and pallidum are functionally distinct and structurally different (correct)

What is the primary function of the basal ganglia in relation to motor activity?

  • Regulation and integration of involuntary motor activity
  • Regulation and maintenance of emotional function
  • Regulation and maintenance of muscle tone
  • Regulation and integration of voluntary motor activity (correct)

What is the role of the basal ganglia in cognitive function?

<p>Selecting and enabling cognitive, executive or emotional programs (D)</p> Signup and view all the answers

What is the result of an imbalance in activity in the direct and indirect pathways?

<p>Abnormalities associated with malfunctions of the basal ganglia (D)</p> Signup and view all the answers

What type of tasks are the basal ganglia necessary for?

<p>Implicit memory tasks (C)</p> Signup and view all the answers

What is the primary cause of movement disorders, such as Parkinson and Huntington diseases?

<p>Loss of control normally exerted on the striatum by the substantia nigra (C)</p> Signup and view all the answers

What is the characteristic of movement disorders, such as Parkinson and Huntington diseases?

<p>Voluntary intended movements occur coincidently with involuntary unintended movements (C)</p> Signup and view all the answers

Which structure is located between the external capsule and globus pallidus?

<p>Putamen (A)</p> Signup and view all the answers

Which component of the basal ganglia has a striped appearance?

<p>Striatum (C)</p> Signup and view all the answers

What anatomical feature is specific to the caudate nucleus?

<p>It is subdivided into head, body, and tail (B)</p> Signup and view all the answers

Which part of the lentiform nucleus is in the most lateral position?

<p>Putamen (A)</p> Signup and view all the answers

What is the most correct functional role of the basal ganglia?

<p>Enabling desired movements to occur and inhibiting competing movements (C)</p> Signup and view all the answers

Which structure is part of the diencephalon?

<p>Subthalamic nucleus (C)</p> Signup and view all the answers

Which segment of the globus pallidus is located more medially?

<p>Medial (A)</p> Signup and view all the answers

What is the largest component within the basal ganglia?

<p>Striatum (A)</p> Signup and view all the answers

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